4511804980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{991}}^1\times {\mathrm{11981}}^1$

素因数の和:13000

約数の個数: 48

約数和(自身を含む): 9984360960

約数和(自身を除く): 5472555980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 991, 1982, 3964, 4955, 9910, 11981, 18829, 19820, 23962, 37658, 47924, 59905, 75316, 94145, 119810, 188290, 227639, 239620, 376580, 455278, 910556, 1138195, 2276390, 4552780, 11873171, 23746342, 47492684, 59365855, 118731710, 225590249, 237463420, 451180498, 902360996, 1127951245, 2255902490, 4511804980]

約数ペア:

[(1, 4511804980), (2, 2255902490), (4, 1127951245), (5, 902360996), (10, 451180498), (19, 237463420), (20, 225590249), (38, 118731710), (76, 59365855), (95, 47492684), (190, 23746342), (380, 11873171), (991, 4552780), (1982, 2276390), (3964, 1138195), (4955, 910556), (9910, 455278), (11981, 376580), (18829, 239620), (19820, 227639), (23962, 188290), (37658, 119810), (47924, 94145), (59905, 75316)]